Operation Manual
40
Troubleshooting
General
A “humming” sound can be heard during
playback.
• An AC mains lead or fluorescent light is near
the cables. Keep other appliances and cords
away from the cables of this unit.
• A strong magnetic field near a TV or other
device may adversely affect the audio quality.
Keep this unit away from such devices.
• The speakers may output noise when a device
nearby is emitting powerful radio waves, such
as when a mobile phone is on a call.
The unit does not work.
• One of the unit’s safety devices may have been
activated.
Press [ ] on the unit to switch the unit to
standby.
• If the unit does not switch to standby,
press [
] on the unit for at least 5
seconds. The unit is forcibly switched to
standby.
Alternatively, disconnect the AC mains
lead, wait for at least 3 minutes, then
reconnect it.
Press [ ] on the unit to switch on. If the
unit still cannot be operated, consult the
dealer.
No sound.
• Check the volume of this unit.
• Check to see if the cable connections to the
input and output terminals are incorrect. If
this is the case, turn this unit to standby and
reconnect the cables correctly.
• Check to see if the correct input source is
selected.
• Insert the plugs of the cables to be connected
all the way in.
• Playback of multi-channel content is not
supported.
• The digital audio input terminals of this unit can
only detect linear PCM signals. For details, refer
to the operating instructions of the device.
Playback does not start.
• Depending on your environment or connected
devices, it may take some time.
• Check to see if the format of the file is
supported. About supported format, refer to
“File format”. ( 50)
The unit turns to standby mode
automatically.
• Is the auto off function turned on? ( 36)
• This unit incorporates a protection circuit
to prevent damage caused by heat buildup.
When you use this unit at a high volume
level for a long period of time, it may turn
off automatically. Wait for this unit to cool
down before turning on this unit again. (For
approximately 3 minutes)
Disc
Incorrect display or play does not start.
• Make sure that the disc is compatible with this
unit. ( 45)
• There is moisture on the lens. Wait for about
an hour and then try again.
• Unfinalised CD-R and CD-RW cannot be played
back.
• WMA/MP3 is not supported. Refer to “Notes
on CDs” ( 45) for information about the discs
this unit can play back.
Playback takes time to start.
• It may take some time for the disc to load if
there are a lot of tracks on it.